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afya
Deafness
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<<forEachTiddler where 'tiddler.tags.contains(context.inTiddler.title)' sortBy tiddler.title ascending write '"*[["+tiddler.title+"]]\n"'>> <<tiddler AutoRefresh with: force>> Most commonly - ear wax, OM, OE ''Presbycusis'' age related SN loss - difficulty following conversations audiometry - bilat high frequency loss ''Otosclerosis'' autosomal dominant - bone replaced by vascular spongy bone onset 20-40 years conductive deafness, tinnitus, family history, tympanic membrane has flamingo tinge (hypereamia) in 10% ''Glue Ear'' (OM with effusion) peaks at 2 yrs usually presents with hearing loss but maybe with speech delay or behavioural / balance problems ''Meniere'' middle aged adults recurrent episodes of //vertigo//, tinnitus and hearing loss (SN) sensation of aural fullness also nystagmus and positive rombergs (stand with closed eyes - if wobble - ?loss of vestibular function or of proprioception) episodes last minutes to hours ''Drug ototoxicity'' eg aminoglycosides (gentamicin), furosemide, aspirin, cytotoxics ''Noise damage'' esp if works in heavy industry bilateral and typically worse at 3000-6000Hz ''Acoustic neuroma'' (vestibular schwannoma) cranial nerve VIII - hearing loss, vertigo, tinnitis, V - absent corneal reflex, V!! facial palsy bilateral seen in neurofibromatosis 2
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